Chino Hills · Zoning · RM-2.1
Chino Hills RM-2.1 zoning: height, setbacks and lot size
In Chino Hills's RM-2.1 zone, generally buildings can be up to 35 ft tall, the front setback is 20 ft and the minimum lot size is 8.60 acres, with the conditions listed below (Chino Hills code, read October 2026).
Key points
- Maximum building height: 35 ft
- Minimum front setback: 20 ft
- Minimum side setback: 20 ft
- Minimum rear setback: 20 ft
- Minimum lot size: 8.60 acres (Minimum project area.)
- Maximum lot coverage: 55%
- Maximum density: 14.5 du/ac
RM-2.1 (Tract 12972 Lot 11 - The Summit Apartments) is a zoning district in Chino Hills. Every value below was read from the Chino Hills Municipal Code and links to its section (read October 2026). State laws such as the ADU and SB 9 rules can allow more on a residential lot. General information, not legal advice — read the code text and check with the city before you build.
Development standards in RM-2.1
The general rule for a typical lot in this zone. Zoning tables often attach notes, such as rules for corner lots, lots next to a residential zone, or new subdivisions only. Open “code text” under a value to see the table cell or sentence it was read from.
| Maximum building height | 35 ft § 16.10.030 · code textTable row “Zoning District RM-2.1 (Tract 12972 Lot 11 - The Summit Apartments)”, column “Maximum Building Height”: 35 ft. |
|---|---|
| Minimum front setback | 20 ft See note a below the table in the code. § 16.10.030 · code textTable row “Zoning District RM-2.1 (Tract 12972 Lot 11 - The Summit Apartments)”, column “Minimum Front Yard Setback”: 20 ft. (a) Note a: Balconies and decks may not project more than four (4) feet into any required setback. |
| Minimum side setback | 20 ft See note a below the table in the code. § 16.10.030 · code textTable row “Zoning District RM-2.1 (Tract 12972 Lot 11 - The Summit Apartments)”, column “Minimum Side Yard Setback”: 20 ft. (a) Note a: Balconies and decks may not project more than four (4) feet into any required setback. |
| Minimum rear setback | 20 ft See note a below the table in the code. § 16.10.030 · code textTable row “Zoning District RM-2.1 (Tract 12972 Lot 11 - The Summit Apartments)”, column “Minimum Rear Yard Setback”: 20 ft. (a) Note a: Balconies and decks may not project more than four (4) feet into any required setback. |
| Minimum lot size | 8.60 acres Applies: Minimum project area. § 16.10.030 · code textTable row “Zoning District RM-2.1 (Tract 12972 Lot 11 - The Summit Apartments)”, column “Minimum Lot Size or Minimum Project Area”: 8.60 acres |
| Maximum lot coverage | 55% § 16.10.030 · code textTable row “Zoning District RM-2.1 (Tract 12972 Lot 11 - The Summit Apartments)”, column “Maximum Lot Coverage by Buildings”: 55% |
| Maximum density | 14.5 du/ac § 16.10.030 · code textTable row “Zoning District RM-2.1 (Tract 12972 Lot 11 - The Summit Apartments)”, column “Maximum Density”: 14.5 du/ac |
Not on this page
We did not find a general stories, FAR limit for RM-2.1 in the zoning tables we read. The code may still set one elsewhere — check the Chino Hills Municipal Code.
Other Chino Hills zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Chino Hills's RM-2.1 zone?
35 ft — Chino Hills Municipal Code § 16.10.030.
What is the minimum front setback in Chino Hills's RM-2.1 zone?
20 ft — Chino Hills Municipal Code § 16.10.030.
What is the minimum side setback in Chino Hills's RM-2.1 zone?
20 ft — Chino Hills Municipal Code § 16.10.030.
What is the minimum rear setback in Chino Hills's RM-2.1 zone?
20 ft — Chino Hills Municipal Code § 16.10.030.
What is the minimum lot size in Chino Hills's RM-2.1 zone?
8.60 acres (minimum project area) — Chino Hills Municipal Code § 16.10.030.
General information, not legal advice.
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